package com.itheima.dbsharding.simple.dao;


import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Param;
import org.apache.ibatis.annotations.Select;
import org.springframework.stereotype.Component;

import java.util.List;
import java.util.Map;

@Mapper
@Component
public interface UserDao {
    /*** 新增用户 * @param userId 用户id * @param fullname 用户姓名 * @return */
    @Insert("insert into t_user(user_id, fullname) value(#{userId},#{fullname})")
    int insertUser(@Param("userId") Long userId, @Param("fullname") String fullname);

    /*** 根据id列表查询多个用户 * @param userIds 用户id列表 * @return */
    @Select({"<script>", " select", " * ", " from t_user t ", " where t.user_id in", "<foreach collection='userIds' item='id' open='(' separator=',' close=')'>", "#{id}", "</foreach>", "</script>"})
    List<Map> selectUserbyIds(@Param("userIds") List<Long> userIds);

    @Select({"<script>", " select", " * ", " from t_user t ,t_dict b", " where t.user_type = b.code and t.user_id in", "<foreach collection='userIds' item='id' open='(' separator=',' close=')'>", "#{id}", "</foreach>", "</script>"})
    List<Map> selectUserInfobyIds(@Param("userIds") List<Long> userIds);
}